" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
8x-7x=-5
x=-5
b) 7n + 2 = 6n - 3
7n-6n= -3-2
n=-5
c) -x + 25 = 2x - 2
-x-2x= -2-25
-3x=-27/:(-3)
x= 9
d) 25m - 3 = 24m - 4
25m-24m= -4+3
m=-1
e) 17y + 28 = 19y + 27
17y-19y= -28+27
2y= -1/:2
y=-½
f) -s + 15 = 4s - 14
-s-4s=-14-15
-5s=29/:(-5)
s= 5⅘
g) 8k - 19= -8k + 19
8k+8k= 19+19
16k= 38/:16
k=2,375
h) 7x + 4 = 2x + 6
7x-2x= 6-4
5x=2/:5
x=⅖
i) 8z - 3 = 5z + 18
8z-5z=18+3
3z=21/:3
z=7
j) 9x + 1 = 6x + 2
9x-6x=2-1
3x=1/:3
x=⅓
8x-7=-5
x=-5
b) 7n + 2 = 6n - 3
7n-6n=-3+(-2)
n=-5
c) -x + 25 = 2x - 2
-x-2x=-25-2
-3x=-27| :(-3)
x=9
d) 25m - 3 = 24m - 4
25m-24m=3-4
m=-1
e) 17y + 28 = 19y + 27
17y-19y=27-28
-2y=-1| :(-2)
y=1/2
f) -s + 15 = 4s - 14
-s-4s=-14-15
-5s=-29| :(-5)
s=5,8
g) 8k - 19= -8k + 19
8k+8k=19+19
16k=38|:16
k=2,375
h) 7x + 4 = 2x + 6
7x-2x=6-4
5x=2| :5
x=0,4
i) 8z - 3 = 5z + 18
8z-5z=18+3
3z=21|:3
z=7
j) 9x + 1 = 6x + 2
9x-6x=1-2
3x=-1|:3
x=-1/3
5 = -x /:(-1)
x = -5
b) 7n+2 = 6n-3 /-6n
n+2 = -3 /-2
n = -5
c) -x+25 = 2x-2 /+x
25 = 3x-2 /+2
27 = 3x /:3
x = 9
d) 25m-3 = 24m-4 /-24m
m-3 = -4 /+3
m = -1
e) 17y+28 = 19y+27 /-17y
28 = 2y+27 /-27
1 = 2y /:2
0,5 = y
f) -s+15 = 4s-14 /+s
15 = 5s-14 /+14
29 = 5s /:5
s = 5,8
g) 8k-19 = -8k+19 /+8k
16k-19 = 19 /+19
16k = 38 /:16
k = 2,375
h) 7x+4 = 2x+6 /-2x
5x+4 = 6 /-4
5x = 2 /:5
x = 0,4
i) 8z-3 = 5z+18 /-5z
3z-3 = 18 /+3
3z = 21 /:3
z = 7
j) 9x+1 = 6x+2 /-6x
3x+1 = 2 /-1
3x = 1
x = 1/3